The 11-part BBC series is narrated by Sir David Attenborough and organized so that each 50-minute episode covers a specific geographical region and/or wildlife habitat (mountains, caves, deserts, shallow seas, seasonal forests, etc.) until the entire planet has been represented

The 11-part BBC series is narrated by Sir David Attenborough and organized so that each 50-minute episode covers a specific geographical region and/or wildlife habitat (mountains, caves, deserts, shallow seas, seasonal forests, etc.) until the entire planet has been represented